Westamerica Bank Routing Number 121140218
The routing number 121140218 belongs to Westamerica Bank in Suisun City, California. Use it for ACH transfers, wires and direct deposit.
| Bank | Westamerica Bank |
| Address | Po Box 1200, Suisun City, CA 94585 |
| State | California |
| Phone | (800) 848-1088 |
| Routing number | 121140218 |
| Check digit | 8 — valid |
Location on the map
About routing number 121140218
121140218 is the routing number of Westamerica Bank in Suisun City, California. Use it for ACH transfers, wire transfers and direct deposit. Some banks use a different number for wires than for ACH — confirm with your bank.
FAQ
Which bank has routing number 121140218?
121140218 belongs to Westamerica Bank in Suisun City, California.
Is 121140218 a valid routing number?
Yes — 121140218 passes the ABA checksum and is active in the Federal Reserve directory.
Can I use this number for a wire transfer?
It works for ACH. Some banks use a separate routing number for wire transfers — check with Westamerica Bank before sending a wire.